Which of the following is a directional antenna that can be used in point-to-point or point-to-multipoint WiFi communication systems? (Select TWO).
A. Backfire
B. Dipole
C. Omni
D. PTZ
E. Dish
CompTIA exam questions
Which of the following is a directional antenna that can be used in point-to-point or point-to-multipoint WiFi communication systems? (Select TWO).
A. Backfire
B. Dipole
C. Omni
D. PTZ
E. Dish
An administrator needs to secure RADIUS traffic between two servers. Which of the following is the BEST solution?
A. Require IPSec with AH between the servers
B. Require the message-authenticator attribute for each message
C. Use MSCHAPv2 with MPPE instead of PAP
D. Require a long and complex shared secret for the servers
Connections using point-to-point protocol authenticate using which of the following? (Select TWO).
A. RIPEMD
B. PAP
C. CHAP
D. RC4
E. Kerberos
A typical cell tower will have microwave and cellular antennas. Which of the following network topologies do these represent? (Choose two.)
A. Point-to-multipoint
B. Bus
C. Point-to-point
D. Mesh
E. Peer-peer
F. Ring
Which of the following would be the MOST efficient subnet mask for a point-to-point link?
A. /28
B. /29
C. /31
D. /32
A network topology that utilizes a central device with point-to-point connections to all other devices is which of the following?
A. Star
B. Ring
C. Mesh
D. Bus
A network technician has configured a point-to-point interface on a router, however, once the fiber optic cables have been run, the interface will not come up. The technician has cleaned the fiber connectors and used an optical power meter to confirm that light is passing in both directions without excessive loss. Which of the following is the MOST likely cause?
A. Distance limitation
B. Wavelength mismatch
C. cross-talk
D. EMI
E. Macro bend
A technician is troubleshooting a point-to-point fiber-optic connection. The technician is at a remote site and has no connectivity to the main site. The technician confirms the switch and the send-and-receive light levels are within acceptable range. Both fiber SFPs are confirmed as working. Which of the following should the technician use to reveal the location of the fault?
A. OTDR
B. Light meter
C. Tone generator
D. CSU/DSU
Three locations in the same company are connected with routers to a private T-1 point-to-point line. The sites have their own dedicated private subnets but can route to each other. Which of the following networks is described in this scenario?
A. PAN
B. WAN
C. LAN
D. MAN